Barchan Sarykum is the largest isolated sandy area in Eurasia.
Samurski Zakaznik is the southernmost strictly protected natural area in Russia.
Daghestan Nature Reserve is the richest in Russia according to a variety of birds and their habitats. The composition of the reserve and its subordinate zakazniks includes 6 Important Bird Areas (IBAs) of global significance. Overall, they shelter above 300 bird species, of them more than 50 species are listed in the Red Data Books of Russia and Daghestan.
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